Search
 
 

Display results as :
 


Rechercher Advanced Search

Latest topics
» Virology MCQs 1-25
Orthomyxovirus EmptyWed Oct 22, 2014 6:51 am by Johnsnow

» protozoa inactivation
Orthomyxovirus EmptyWed Jun 29, 2011 4:28 pm by Guest

» Contributions of louis pasteur
Orthomyxovirus EmptySun Jun 07, 2009 6:52 pm by arsham

» Immuno prophylaxis of tetanus
Orthomyxovirus EmptySat Jun 06, 2009 11:16 pm by sakia_fazal

» pathogenecity of CLOSTRIDIUM PERFINGES
Orthomyxovirus EmptySat Jun 06, 2009 11:03 pm by sakia_fazal

» naglers reaction
Orthomyxovirus EmptySat Jun 06, 2009 10:53 pm by sakia_fazal

» LABORATORY DAIGNOSIS OF SYPHILIS
Orthomyxovirus EmptySat Jun 06, 2009 9:27 pm by sakia_fazal

» Trichomonas vaginalis
Orthomyxovirus EmptySat Jun 06, 2009 6:31 pm by sakia_fazal

» instestinal ameobiasis
Orthomyxovirus EmptySat Jun 06, 2009 4:49 pm by sakia_fazal

Shopmotion


Orthomyxovirus Empty
Navigation
 Portal
 Index
 Memberlist
 Profile
 FAQ
 Search
Affiliates
free forum
 



Orthomyxovirus

Go down

Orthomyxovirus Empty Orthomyxovirus

Post  Haseena on Sun Nov 23, 2008 1:46 am

1. The most prevalent human virus causing most of human epidemics is
a) Influenza A
b) Influenza B
c) Influenza C

2. Ag found free in infected tissues
a) M protein
b) HA
c) Ribonucleoprotein
d) NA

3. Ag that destroys Sialic acid receptors on cell surface during exit
a) M protein
b) HA
c) Ribonucleoprotein
d) NA

4. Ag which promotes release and spread of progeny virions
a) M protein
b) HA
c) Ribonucleoprotein
d) Neuraminidase

5. Influenza virus causes cell death by all of the following except
a) Direct effects of virus on the cell
b) Action of helper T cells
c) Action of cytotoxic T cells
d) Action of Interferons

6. The following are true about antigenic variation in influenza except:
a) Highest variability in type A
b) None in type C
c) Some variability in type C
d) HA and NA undergo independent antigenic variations


Answers:

1. (a) 2. (c) 3. (d) 4. (d) 5. (b) 6. (c)

Haseena

Posts : 5
Join date : 2008-11-17
Age : 31
Location : Ajman

View user profile

Back to top Go down

Back to top


 
Permissions in this forum:
You cannot reply to topics in this forum